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2011年，德国爆发了急性肠道疾病疫情，该病是由于感染了一种新型的肠出血性大肠杆菌引起的，可引起感染性腹泻，因能引起人类的出血性肠炎而得名．而肠道病毒EV71是人肠道病毒的一种，常引起儿童手足口病、病毒性咽炎，重症患儿可出现肺水肿、脑炎．（6分） （1）根据你对细菌的了解，“肠出血性大肠杆菌”的结构与人的小肠绒毛上皮细胞相比，最主要的区别是 。 （2）病毒EV71结构简单，与“肠出血性大肠杆菌”相比，它没有 结构，仅由 和 组成，它的繁殖方式是 ，二者的生活方式相同，都是 在人体体内。
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脉冲编码调制
B.
自适应预测编码
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高级多带激励编码
D.
差错控制编码
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【单选题】When using carbon dioxide to fight a fire on a bulkhead，the CO 2 should be applied（）.
A.
first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B.
in a circular motion from the middle of the bulkhead outward
C.
to the top of the flaming area，sweeping from side to side，and working toward the bottom
D.
in an up-and-down motion from one side of the bulkhead to the other
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收/发隔离
B.
模/数转换
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频带信号与基带信号的转换
D.
单边带调制
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【单选题】The Bayh-Dole Act______.
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aims to change the missions of universities
B.
aims to enhance academic motivation in universities
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has hindered the sharing in academic world
D.
has stimulated scientific discovery
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【单选题】The gibbon ranges over an area wider than do the other apes.
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a wider area than other apes do
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an area wider than are other apes do
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wider than other apes do the area
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【简答题】听下面一段材料，回答第1至2题。 1. What's the purpose of carpooling? [     ] A. To go for a long trip to Seattle. B. To learn how to drive skillfully. C. To save money, energy and the environment. 2. How will they g...
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相关题目：
【判断题】When using the builder-implemented functions, you should refer to the details of their use supplied by the machine-tool manufacturer.
A.
正确
B.
错误
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【单选题】Inmarsat-F船站中的语音压缩编码采用AMBE调制方式,AMBE称为( )。
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【单选题】When using carbon dioxide to fight a fire on a bulkhead，the CO 2 should be applied（）.
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first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B.
in a circular motion from the middle of the bulkhead outward
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to the top of the flaming area，sweeping from side to side，and working toward the bottom
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in an up-and-down motion from one side of the bulkhead to the other
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【单选题】在Inmarsat-B/F船站的基带处理单元中含有语音压缩编码,它可以实现( )。
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aims to change the missions of universities
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aims to enhance academic motivation in universities
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has hindered the sharing in academic world
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has stimulated scientific discovery
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【简答题】听下面一段对话，回答第1至3题。 1. What's the purpose of the writing club? [     ] A. To write articles for the Campus Literary Review. B. To teach students a couple of basic writing skills. C. To help those who wan...
查看完整题目与答案
【单选题】The gibbon ranges over an area wider than do the other apes.
A.
a wider area than other apes do
B.
an area wider than are other apes do
C.
wider than other apes do the area
D.
than wider other apes do an area
查看完整题目与答案
【简答题】听下面一段材料，回答第1至2题。 1. What's the purpose of carpooling? [     ] A. To go for a long trip to Seattle. B. To learn how to drive skillfully. C. To save money, energy and the environment. 2. How will they g...
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【简答题】What's the purpose of your visit here?
查看完整题目与答案
【简答题】for wider experience
查看完整题目与答案